Percussion instrument



FIG. 1 is a front view of a percussion instrument;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a plan view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a perspective view showing the state of use thereof.

The evenly spaced broken lines represent the portions of the percussion instrument that form no part of the claimed design. 

CLAIM The ornamental design for a percussion instrument, as shown and described. 